Re: [PATCH v3 00/15] mm/memory: optimize fork() with PTE-mapped THP

From: David Hildenbrand
Date: Wed Jan 31 2024 - 10:11:35 EST


dontneed should hopefully/likely see a speedup.

Yes, but that's almost exactly the same path as munmap, so I'm sure it really
adds much for this particular series.

Right, that's why I'm not including these measurements. dontneed vs. munmap is more about measuring the overhead of VMA modifications + page table reclaim.

Anyway, on Altra at least, I'm seeing no
regressions, so:

Tested-by: Ryan Roberts <ryan.roberts@xxxxxxx>


Thanks!

--
Cheers,

David / dhildenb